ford Workshop Repair Guides

Ford Workshop Service and Repair Manuals

Idle Speed Control Bypass Air (ISC-BPA) Valve <--> [Idle Speed/Throttle Actuator - Electronic]|Specifications > < Engine - Rough Idle At All Engine Temperatures
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Figure 3

1.

Do not clean the black plastic air by-pass valve, Figure 1. This valve cannot be cleaned with carburetor cleaner because it can damage the valve's
internal components.

CAUTION: IF THE BLACK PLASTIC AIR BY-PASS VALVE REQUIRES SERVICE, IT MUST BE REPLACED.

2.

The silver metal air by-pass valve can be cleaned. Use carburetor cleaner (D9AZ-19579-BA) to clean it.

3.

Mount the black plastic air by-pass valve with the electrical connector on the in-board side of the throttle body, Figure 3. Do NOT mount it on the
rocker cover side of the throttle body.

4.

Reinstall the silver metal air by-pass valve in the same position as it was originally installed.

PART NUMBER

PART NAME

CLASS

D9AZ-19579-BA

Carburetor Cleaner - Pkg. of 12

B

E9SZ-9F715-E

Air By-Pass Valve - Black

B

OTHER APPLICABLE ARTICLES: None
WARRANTY STATUS: INFORMATION ONLY
OASIS CODES:

4600

Idle Speed Control Bypass Air (ISC-BPA) Valve <--> [Idle Speed/Throttle Actuator - Electronic]|Specifications > < Engine - Rough Idle At All Engine Temperatures